/* 全局html,body设置 */
html, body {
    height: 100%;
    background-color: #f3f3f4;
}

.middle-box {
    max-width: 400px;
    z-index: 100;
    margin: 0 auto;
    padding-top: 40px;
}
.text-center {
    text-align: center;
}
.loginscreen.middle-box {
    width: 300px;
}
.logo-name {
    color: #e6e6e6;
    font-size: 180px;
    font-weight: 800;
    letter-spacing: -10px;
    margin-bottom: 0px;
}